3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace MyNamespace\Overwrite; function test() { echo 1; } namespace MyNamespace\Another; function test() { echo 2; } test(); MyNamespace\Overwrite\test();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0100.00316.75
8.3.50.0140.00517.56
8.3.40.0110.00418.83
8.3.30.0140.00718.66
8.3.20.0080.00018.85
8.3.10.0080.00020.48
8.3.00.0080.00019.26
8.2.180.0100.01018.61
8.2.170.0070.00722.96
8.2.160.0090.00620.32
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00319.48
8.2.110.0030.00721.00
8.2.100.0110.00017.84
8.2.90.0030.00621.03
8.2.80.0060.00319.46
8.2.70.0040.00417.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.05
8.2.20.0040.00419.36
8.2.10.0030.00517.68
8.2.00.0040.00417.68
8.1.280.0100.00725.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00322.50
8.1.230.0090.00320.95
8.1.220.0030.00717.74
8.1.210.0030.00518.79
8.1.200.0030.00617.23
8.1.190.0060.00317.39
8.1.180.0000.00918.10
8.1.170.0000.00818.84
8.1.160.0020.00518.71
8.1.150.0040.00418.50
8.1.140.0000.00817.23
8.1.130.0030.00317.71
8.1.120.0040.00317.32
8.1.110.0000.00717.19
8.1.100.0000.00717.29
8.1.90.0030.00517.33
8.1.80.0020.00517.34
8.1.70.0000.00717.22
8.1.60.0090.00017.50
8.1.50.0040.00417.38
8.1.40.0040.00417.28
8.1.30.0080.00017.55
8.1.20.0050.00317.62
8.1.10.0000.00717.57
8.1.00.0000.00717.43
8.0.300.0070.00020.03
8.0.290.0070.00016.75
8.0.280.0000.00718.51
8.0.270.0030.00317.25
8.0.260.0030.00316.87
8.0.250.0040.00417.04
8.0.240.0030.00616.82
8.0.230.0000.00716.98
8.0.220.0000.00716.88
8.0.210.0050.00216.88
8.0.200.0030.00316.98
8.0.190.0000.00716.86
8.0.180.0040.00416.93
8.0.170.0030.00516.93
8.0.160.0000.00716.99
8.0.150.0040.00416.86
8.0.140.0070.00016.90
8.0.130.0030.00313.35
8.0.120.0040.00416.88
8.0.110.0070.00016.70
8.0.100.0000.00816.89
8.0.90.0040.00417.01
8.0.80.0060.00916.84
8.0.70.0080.00016.83
8.0.60.0070.00016.90
8.0.50.0070.00016.75
8.0.30.0130.00517.03
8.0.20.0060.01217.15
8.0.10.0040.00416.73
8.0.00.0150.00516.80
7.4.330.0000.00512.84
7.4.320.0030.00316.28
7.4.300.0030.00316.43
7.4.290.0040.00416.49
7.4.280.0080.00016.41
7.4.270.0030.00316.33
7.4.260.0050.00013.16
7.4.250.0000.00816.52
7.4.240.0040.00416.39
7.4.230.0030.00316.41
7.4.220.0150.00416.48
7.4.210.0080.00916.53
7.4.200.0050.00216.28
7.4.190.0070.00016.57
7.4.160.0040.01216.42
7.4.150.0150.00316.36
7.4.140.0120.00816.42
7.4.130.0090.01016.59
7.4.120.0120.00616.50
7.4.110.0060.01216.25
7.4.100.0090.00916.54
7.4.90.0100.00716.41
7.4.80.0110.00719.39
7.4.70.0060.00916.47
7.4.60.0040.01216.43
7.4.50.0060.00316.47
7.4.40.0070.00416.51
7.4.30.0070.01016.67
7.4.00.0040.00715.22
7.3.330.0070.00013.12
7.3.320.0030.00313.25
7.3.310.0030.00316.19
7.3.300.0030.00316.15
7.3.290.0160.00316.23
7.3.280.0100.00816.28
7.3.270.0170.00316.14
7.3.260.0100.00716.19
7.3.250.0090.00916.25
7.3.240.0080.00816.44
7.3.230.0130.00316.32
7.3.210.0090.01116.49
7.3.200.0100.00716.50
7.3.190.0060.01316.35
7.3.180.0030.01216.46
7.3.170.0060.01016.44
7.3.160.0130.00616.52
7.3.120.0070.01014.84
7.2.330.0110.00716.59
7.2.320.0060.01216.62
7.2.310.0160.00916.58
7.2.300.0040.01116.25
7.2.290.0030.01316.61
7.2.60.0100.00316.88
7.2.00.0030.01219.33
7.1.200.0080.00415.66
7.1.100.0080.01117.94
7.1.70.0000.00816.98
7.1.60.0120.00319.40
7.1.50.0030.01416.69
7.1.00.0000.07022.28
7.0.200.0280.00314.72
7.0.140.0070.07022.07
7.0.120.0000.03721.98
7.0.60.0070.08019.92
7.0.50.0030.07017.83
7.0.40.0030.09020.18
7.0.30.0070.06020.27
7.0.20.0130.06720.02
7.0.10.0070.07320.14
7.0.00.0130.03320.18
5.6.280.0000.07720.86
5.6.210.0030.04020.77
5.6.200.0030.08318.16
5.6.190.0000.04720.51
5.6.180.0000.09020.63
5.6.170.0100.04720.47
5.6.160.0000.07720.51
5.6.150.0070.08020.19
5.6.140.0070.05020.25
5.6.130.0030.04720.40
5.6.120.0070.08320.39
5.6.110.0000.08720.43
5.6.100.0070.05020.31
5.6.90.0000.06020.15
5.6.80.0200.05319.88
5.6.70.0070.07719.78
5.6.60.0070.06719.81
5.6.50.0030.05019.88
5.6.40.0070.08019.73
5.6.30.0100.07319.64
5.6.20.0130.05019.55
5.6.10.0030.04719.69
5.6.00.0000.05019.52
5.5.350.0130.05720.41
5.5.340.0130.07317.99
5.5.330.0070.07320.36
5.5.320.0030.05320.40
5.5.310.0100.07020.27
5.5.300.0030.04019.97
5.5.290.0000.08720.04
5.5.280.0070.08020.14
5.5.270.0070.08320.13
5.5.260.0070.05720.15
5.5.250.0070.07719.78
5.5.240.0070.07719.59
5.5.230.0070.07319.51
5.5.220.0070.07319.60
5.5.210.0000.07319.58
5.5.200.0100.07719.65
5.5.190.0030.05019.65
5.5.180.0000.08019.32
5.5.160.0100.04719.60
5.5.150.0070.07719.66
5.5.140.0100.06719.46
5.5.130.0100.07319.64
5.5.120.0030.08019.58
5.5.110.0030.05719.33
5.5.100.0070.07319.46
5.5.90.0030.06319.45
5.5.80.0070.07319.38
5.5.70.0070.04719.44
5.5.60.0000.07319.35
5.5.50.0030.07719.21
5.5.40.0070.06019.32
5.5.30.0100.07019.42
5.5.20.0030.05719.50
5.5.10.0070.07319.31
5.5.00.0000.06019.48
5.4.450.0030.05719.34
5.4.440.0030.05019.49
5.4.430.0000.07719.57
5.4.420.0070.07019.57
5.4.410.0070.04319.32
5.4.400.0070.05319.16
5.4.390.0100.07319.00
5.4.380.0000.08018.87
5.4.370.0030.07718.87
5.4.360.0100.07319.24
5.4.350.0030.06719.16
5.4.340.0130.07019.24
5.4.320.0030.04319.24
5.4.310.0030.07718.92
5.4.300.0030.08019.14
5.4.290.0070.06718.92
5.4.280.0030.08019.04
5.4.270.0000.06019.14
5.4.260.0100.07318.92
5.4.250.0030.07319.12
5.4.240.0000.07719.23
5.4.230.0030.05718.84
5.4.220.0000.05019.15
5.4.210.0030.05318.97
5.4.200.0000.06718.84
5.4.190.0100.04019.19
5.4.180.0070.04718.93
5.4.170.0000.06319.13
5.4.160.0100.04719.22
5.4.150.0000.08319.22
5.4.140.0070.07316.43
5.4.130.0000.07316.37
5.4.120.0030.07016.60
5.4.110.0000.07316.51
5.4.100.0030.06316.35
5.4.90.0000.07016.52
5.4.80.0070.04016.34
5.4.70.0030.07016.51
5.4.60.0000.06016.51
5.4.50.0030.06316.38
5.4.40.0070.04016.40
5.4.30.0070.06716.36
5.4.20.0000.03716.38
5.4.10.0000.05316.38
5.4.00.0030.07015.80
5.3.290.0030.04714.71
5.3.280.0000.06714.64
5.3.270.0000.06014.66
5.3.260.0070.06014.53
5.3.250.0000.05714.62
5.3.240.0030.07014.63
5.3.230.0070.06714.48
5.3.220.0030.07714.57
5.3.210.0030.05014.73
5.3.200.0070.07314.60
5.3.190.0000.08314.63
5.3.180.0000.07014.71
5.3.170.0030.05314.64
5.3.160.0000.08014.57
5.3.150.0070.05314.62
5.3.140.0100.04314.57
5.3.130.0000.06314.46
5.3.120.0070.03714.70
5.3.110.0000.07014.63
5.3.100.0030.07714.07
5.3.90.0070.04014.18
5.3.80.0100.05714.09
5.3.70.0030.06314.18
5.3.60.0030.03714.15
5.3.50.0000.07713.95
5.3.40.0000.07313.93
5.3.30.0000.07313.91
5.3.20.0030.04713.70
5.3.10.0030.05013.82
5.3.00.0070.07013.65
5.2.170.0000.03012.00
5.2.160.0030.06312.00
5.2.150.0030.06312.00
5.2.140.0030.06012.00
5.2.130.0000.06012.00
5.2.120.0000.04012.00
5.2.110.0030.03012.00
5.2.100.0000.06312.01
5.2.90.0000.06712.01
5.2.80.0070.06312.01
5.2.70.0100.05312.01
5.2.60.0030.06312.01
5.2.50.0030.06012.01
5.2.40.0070.05312.01
5.2.30.0000.03712.01
5.2.20.0000.05312.01
5.2.10.0030.04712.01
5.2.00.0070.05712.01
5.1.60.0000.05312.01
5.1.50.0000.05712.01
5.1.40.0030.05012.01
5.1.30.0000.05012.01
5.1.20.0030.05312.01
5.1.10.0030.04012.01
5.1.00.0030.05312.01
5.0.50.0030.04712.01
5.0.40.0030.03012.01
5.0.30.0000.05712.01
5.0.20.0030.03712.01
5.0.10.0100.03012.01
5.0.00.0030.05712.01
4.4.90.0000.03712.01
4.4.80.0030.03312.01
4.4.70.0000.02312.01
4.4.60.0030.03712.01
4.4.50.0000.03712.01
4.4.40.0070.05012.01
4.4.30.0000.04012.01
4.4.20.0030.03312.01
4.4.10.0070.02312.01
4.4.00.0000.05712.01
4.3.110.0000.03312.01
4.3.100.0000.03312.01
4.3.90.0000.03012.01
4.3.80.0070.05012.01
4.3.70.0000.03712.01
4.3.60.0030.02712.01
4.3.50.0070.03312.01
4.3.40.0030.04712.01
4.3.30.0030.03312.01
4.3.20.0030.03012.01
4.3.10.0000.04012.01
4.3.00.0000.02312.01

preferences:
46.87 ms | 401 KiB | 5 Q